User Manual

點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC. DM163
8x3-CHANNEL CONSTANT CURRENT LED DRIVERS Version: A.004 Page 7
Maximum Ratings
(Ta=25°C, Tj(max) = 140°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage VDD -0.3 ~ 7.0 V
Input Voltage VIN -0.3 ~ V
DD
+0.3 V
Output Current IOUT 60 mA
Output Voltage VOUT -0.3 ~ 17 V
DCK Frequency FDCK 20 MHz
GCK Frequency FGCK 20 MHz
GND Terminal Current IGND 1440 mA
Power Dissipation PD
1.36 ( QFP44); 3.63 (QFN40) (Ta=25°C)
W
Thermal Resistance Rth(j-a) 84.42 ( QFP44 ); 31.67 (QFN40) ℃/W
Operating Temperature Top -40 ~ 85 ℃
Storage Temperature Tstg -55 ~ 150 ℃
Recommended Operating Condition
DC Characteristics (Ta = 25°C)
CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT
Supply Voltage VDD ⎯ 3 5.5 V
Output Voltage VOUT ⎯ ⎯ ⎯ 17 V
IO OUTn 5 ⎯ 60
IOH SERIAL-OUT ⎯ ⎯ 2
Output Current
IOL SERIAL-OUT ⎯ ⎯ -2
mA
VIH
⎯
0.8 V
DD
⎯
V
DD
+0.2
Input Voltage
V
IL ⎯ -0.2 ⎯ 0.2 V
DD
V
AC Characteristics (V
DD
= 5.0 V, Ta = 25°C)
CHARACTERISTIC SYMBOL CONDITION MIN. TYP. MAX. UNIT
DCK Frequency FDCK Cascade operation ⎯ ⎯ 20 MHz
DCK pulse duration t
wh
/ t
wl
High or low level 15 ⎯ ⎯ ns
DCK rise/fall time t
r
/ t
f
⎯ ⎯ ⎯ 20 ns
GCK Frequency FGCK ⎯ 1 ⎯ 20 MHz
GCK pulse duration t
wh
/ t
wl
High or low level 15 ⎯ ⎯ ns
GCK rise/fall time t
r
/ t
f
⎯ ⎯ ⎯ 20 ns
Set-up Time for SIN tsetup(D) Before DCK rising edge 2 ⎯ ⎯ ns
Hold Time for SIN thold(D) After DCK rising edge 3 ⎯ ⎯ ns
Set-up Time for DCK tsetup(L) Before LAT_B falling edge 3 ⎯ ⎯ ns
LAT_B Pulse Width tw LAT ⎯ 5 ⎯ ⎯ ns
Set-up Time for LAT_B Tsetup(G) Before GCK rising edge 13 ⎯ ⎯ ns
Set-up Time for SELBK Tsetup(S) Before DCK rising edge 5 ⎯ ⎯ ns
Hold Time for SELBK Thold(S) After DCK rising edge 1 ⎯ ⎯ ns